From The Times of India:
"Mumbai ranks 31st among 50 top metropolitan economic entities globally in 2015, as per latest data released by Oxford Economics. The unflattering news for Mumbaikars is that the city has ceded its position as economic capital of India to Delhi. The Oxford Economics forecast for 2030 shows that Delhi and Mumbai will move further up the list. While Delhi is predicted to be at the 11th spot, Mumbai will be 14th."